with u.s. ambassador to the u.n., susan rice. >> brown: then, we get the latest on the radiation containment efforts in japan as the government there raises the alert level. >> suarez: plus jeffrey kaye, in beijing, has chinese reaction to the japanese nuclear crisis. >> the nation is in the process of building 37 new nuclear pourpts, and is now reexamining safety. >> brown: mars and david brooks provide their weekly analysis. >> suarez: and fred de sam lazaro gets a rare look inside syria, where the government is just beginning to be challenged by protesters. >> brown: that's all ahead on tonight's newshour. major funding for the pbs newshour has been provided by: >> okay, listen. somebody has got to get serious. >> i think... >> we need renewable energy. >> ...renewable energy is vital to our planet. >> you hear about alternatives, right? wind, solar, algae. >> i think it's going to work an a big scale. only, i think it's going to be affordable. >> so, where are they? >> it has to work in the real world. at chevron, we're investing millions in solar and biofuel technology to ma